Sandwich, IL has a humid continental climate with hot summers and cold winters. During the summer months, temperatures can reach up to the mid-80s with high humidity. Winters in Sandwich are cold and snowy, with temperatures often dropping below freezing. The area experiences all four seasons, and precipitation is plentiful year round. Spring is milder than the other seasons, with some moderate rainfall. Autumn brings cool weather and colorful foliage.
Sandwich, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sandwich averages 29 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 193 sunny days per year in Sandwich. The US average is 205 sunny days.
Sandwich gets some kind of precipitation, on average, 116 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 83 degrees
Winter Low: the January low is 14
Rain: averages 38 inches of rain a year
Snow: averages 29 inches of snow a year